/* 
 * Copyright (C)2008 Vladimir Hozjan vladimir.hozjan@gmail.com
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
 */

/**
 * @file  interfaces.h
 *
 * Null interfaces for tetris
 *
 * @author Vladimir Hozjan
 * @date   25.12.2008 
 *
 * @remarks VHOZ [25.12.2008]: Class created
 */
#ifndef _interfaces_h_
#define _interfaces_h_

/**
 * @class SystemInterface
 *
 * @author VHOZ
 *
 * @remarks VHOZ [25.12.2008]: Class created
 */
class SystemInterface {
public:
  /// Destructor
  virtual ~SystemInterface() {};

  /// Constructor
  SystemInterface(){};

  /// returns random number between 0 and aMaxValue
  virtual int getRandom(int aMaxValue) = 0;

  /// return square root of aVal
  virtual double sqrt(double aVal) = 0;

protected:
private:
};

#endif // interfaces_h__